[  506.907789] bond0: (slave eth0): making interface the new active one
[  506.907862] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.127226] bond0: (slave eth0): Releasing backup interface
[  511.235558] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.415916] bond0: (slave eth0): Releasing backup interface
[  515.451804] bond0 (unregistering): Released all slaves